Assertion and reasoning type questions!

.Explanation compulsory

1. A : Moat is traditional method of irrigation → (a)

R : Moat uses a pulley to draw water from canals.

Explanation:

A=> Moat, Dhekli, and Rahat are the different traditional methods of irrigation.

R => Moat (Pulley System): This is composed of a pulley and a rope. A bucket is tied to one end of rope. Another end of rope is pulled through over the pulley in order to draw water.

2. A: Fertilizers are nutrient specific → (a)

R : They increase soil fertility along with manures

Explanation:

A => Fertilizers are synthesized by the inorganic compounds. These are made to be rich in specific nutrients like nitrogen, potassium, phosphorus, urea etc.

R => Manures contribute to the fertility of the soil by adding organic matter and nutrients, such as nitrogen, that are trapped by bacteria in the soil

sorry if wrong

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

amber has allowed scientists to study dna that has been preserved over millions of years.